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Construct a 80% confidence interval estimate for the population mean given the values below. x overbar x=250 sigmaequals=66 n=269 The 80% confidence interval for the

Construct a 80% confidence interval estimate for the population mean given the values below.

x overbar x=250

sigmaequals=66

n=269

The 80% confidence interval for the population mean is from to .

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